[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Crustacea (Brünnich, 1772) - crustaceans see Superclass Crustacea Pennant, 1777
     Subclass Copepoda H. Milne-Edwards, 1840 - copepods
       Order Poecilostomatoida Thorell, 1859
         Family Herpyllobiidae Hansen, 1892
           1 Genus Eurysilenium M. Sars, 1870
           2 Genus Herpyllobius Steenstrup & Lütken, 1861
           3 Genus Phallusiella Leigh-Sharpe, 1926